Divorce in bulk: Kate Walsh, Anna Torv and Mark Valley -- and birds

"Fringe's" Anna Torv and former costar Mark Valley are splitsville too, after 16 months together, People says. Valley is now the star of "Human Target."

And in "The Bird Detective," a book to be released this week in Canada, it's revealed that although some birds do in fact mate for life, many songbirds get "divorced" all the time, for selfish reasons including stepping up in the word for better food and shelter, or hooking up with a bird who's more colorful, or just a better singer.

Divorce rates range from 99% in the greater flamingo to zero in
the wandering albatross, ABC News reports.